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FileSys::Ticket::Load: Return error if signature type does not match (#4339)

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* FileSys::Ticket::Load: Return error if signature type does not match

* fixup! FileSys::Ticket::Load: Return error if signature type does not match
This commit is contained in:
Ben 2018-10-15 17:26:35 +02:00 committed by Weiyi Wang
parent 0df32275a7
commit b01b94d843
3 changed files with 10 additions and 1 deletions
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2
src/core/file_sys/cia_common.h
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@ -33,7 +33,7 @@ inline u32 GetSignatureSize(u32 signature_type) {
return 0x3C; return 0x3C;
} }
UNREACHABLE(); LOG_ERROR(Common_Filesystem, "Tried to read ticket with bad signature {}", signature_type);
return 0; return 0;
} }

3
src/core/file_sys/ticket.cpp
View File

@ -22,6 +22,9 @@ Loader::ResultStatus Ticket::Load(const std::vector<u8> file_data, std::size_t o
// Signature lengths are variable, and the body follows the signature // Signature lengths are variable, and the body follows the signature
u32 signature_size = GetSignatureSize(signature_type); u32 signature_size = GetSignatureSize(signature_type);
if (signature_size == 0) {
return Loader::ResultStatus::Error;
}
// The ticket body start position is rounded to the nearest 0x40 after the signature // The ticket body start position is rounded to the nearest 0x40 after the signature
std::size_t body_start = Common::AlignUp(signature_size + sizeof(u32), 0x40); std::size_t body_start = Common::AlignUp(signature_size + sizeof(u32), 0x40);

6
src/core/file_sys/title_metadata.cpp
View File

@ -42,6 +42,9 @@ Loader::ResultStatus TitleMetadata::Load(const std::vector<u8> file_data, std::s
// Signature lengths are variable, and the body follows the signature // Signature lengths are variable, and the body follows the signature
u32 signature_size = GetSignatureSize(signature_type); u32 signature_size = GetSignatureSize(signature_type);
if (signature_size == 0) {
return Loader::ResultStatus::Error;
}
// The TMD body start position is rounded to the nearest 0x40 after the signature // The TMD body start position is rounded to the nearest 0x40 after the signature
std::size_t body_start = Common::AlignUp(signature_size + sizeof(u32), 0x40); std::size_t body_start = Common::AlignUp(signature_size + sizeof(u32), 0x40);
@ -84,6 +87,9 @@ Loader::ResultStatus TitleMetadata::Save(const std::string& file_path) {
// Signature lengths are variable, and the body follows the signature // Signature lengths are variable, and the body follows the signature
u32 signature_size = GetSignatureSize(signature_type); u32 signature_size = GetSignatureSize(signature_type);
if (signature_size == 0) {
return Loader::ResultStatus::Error;
}
if (!file.WriteBytes(tmd_signature.data(), signature_size)) if (!file.WriteBytes(tmd_signature.data(), signature_size))
return Loader::ResultStatus::Error; return Loader::ResultStatus::Error;